Portable, Continuous Recording of Complete With Low Overhead Computer Behavior Thomas E. Willis and George B. Adams III School of Electrical and Computer Engineering Purdue University West Lafayette, Indiana 47907 {twillis,gba}Qecn.purdue.edu Introduction The Firehose Technique Traditional benchmarks such as SPEC model a simple workload: a single address space, a single thread of control, no input beyond an initial data set, and little if any use of system routines. Increasingly common computer usage includes multiprogrammed environments, interactivity, and multiprocessor machines. Workloads that represent these environments have significantly different characteristics than single-process batch workloads [l]. Computer architects often rely on measurements of existing systems to drive studies of system performance. These measurements are gathered by behavior monitoring systems and might include information such as execution profiles, address traces, and instruction traces. Existing behavior monitoring techniques encounter difficulty when applied to the task of gathering information about execution behavior of complex workloads on a variety of computers. Hardware techniques often cause little, if any, disturbance of the system, but lack both flexibility to choose the behavior to monitor and portability. Software techniques require executing instructions in addition to those necessary to execute monitored workload. The disruptive overhead of software techniques is
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Portable, continuous recording of complete computer behavior with low overhead (extended abstract)
Willis, Thomas E.; Adams III, George B.
Follow ACM SIGMETRICS Performance Evaluation Review
, Volume 26 (1)
Association for Computing Machinery – Jun 1, 1998
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